package com.atguigu.chapter05.sink;

import com.alibaba.fastjson.JSON;
import com.atguigu.bean.WaterSensor;
import org.apache.flink.api.common.functions.RuntimeContext;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.connectors.elasticsearch.ElasticsearchSinkFunction;
import org.apache.flink.streaming.connectors.elasticsearch.RequestIndexer;
import org.apache.flink.streaming.connectors.elasticsearch6.ElasticsearchSink;
import org.apache.http.HttpHost;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.Requests;
import org.elasticsearch.common.xcontent.XContentType;

import java.util.ArrayList;

/**
 * @Author lizhenchao@atguigu.cn
 * @Date 2021/6/10 10:09
 */
public class Flink02_Sink_Es_Bounded {
    public static void main(String[] args) throws Exception {
        ArrayList<WaterSensor> waterSensors = new ArrayList<>();
        waterSensors.add(new WaterSensor("sensor_1", 1607527992000L, 20));
        waterSensors.add(new WaterSensor("sensor_1", 1607527994000L, 50));
        waterSensors.add(new WaterSensor("sensor_1", 1607527996000L, 50));
        waterSensors.add(new WaterSensor("sensor_30", 1607527993000L, 10));
        waterSensors.add(new WaterSensor("sensor_2", 1607527995000L, 30));
        waterSensors.add(new WaterSensor("sensor_3", 1607527995000L, 30));
        
        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment().setParallelism(1);
        
        ArrayList<HttpHost> hosts = new ArrayList<>();
        hosts.add(new HttpHost("hadoop162", 9200));
        hosts.add(new HttpHost("hadoop163", 9200));
        hosts.add(new HttpHost("hadoop164", 9200));
        
        env
            .fromCollection(waterSensors)
            .addSink(new ElasticsearchSink.Builder<WaterSensor>(
                hosts,
                new ElasticsearchSinkFunction<WaterSensor>() {
                    @Override
                    public void process(WaterSensor waterSensor,
                                        RuntimeContext runtimeContext,
                                        RequestIndexer requestIndexer) {
                        IndexRequest index = Requests
                            .indexRequest()
                            .index("sensor")
                            .type("_doc")  // type不能下划线开头, _doc例外
                            .id(waterSensor.getId())
                            .source(JSON.toJSONString(waterSensor), XContentType.JSON);
    
                        requestIndexer.add(index);
                    }
                }
            ).build());
        
        env.execute();
        
    }
}
